Bump actions/cache from 2 to 3 (#6417)

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2...v3)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci-additional.yaml

@@ -68,7 +68,7 @@ jobs:
             echo "CONDA_ENV_FILE=ci/requirements/${{ matrix.env }}.yml" >> $GITHUB_ENV
           fi
       - name: Cache conda
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/conda_pkgs_dir
           key:

.github/workflows/ci.yaml

@@ -59,7 +59,7 @@ jobs:
           echo "PYTHON_VERSION=${{ matrix.python-version }}" >> $GITHUB_ENV
 
       - name: Cache conda
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ~/conda_pkgs_dir
           key: ${{ runner.os }}-conda-py${{ matrix.python-version }}-${{